Add CSV/TSV/PSV rainbow highlighters (light/dark) support

QuickLook.Plugin/QuickLook.Plugin.CsvViewer/Plugin.MoreMenu.cs

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+// Copyright © 2017-2026 QL-Win Contributors
+//
+// This file is part of QuickLook program.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+using QuickLook.Common.Commands;
+using QuickLook.Common.Controls;
+using QuickLook.Common.Helpers;
+using QuickLook.Common.Plugin;
+using QuickLook.Common.Plugin.MoreMenu;
+using System.Collections.Generic;
+using System.IO;
+
+namespace QuickLook.Plugin.CsvViewer;
+
+public sealed partial class Plugin : IViewer, IMoreMenu
+{
+    public IEnumerable<IMenuItem> MenuItems => GetMenuItems();
+
+    public IEnumerable<IMenuItem> GetMenuItems()
+    {
+        string translationFile = Path.Combine(Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location), "Translations.config");
+
+        yield return new MoreMenuItem()
+        {
+            Icon = FontSymbols.Code,
+            Header = TranslationHelper.Get("MW_ReopenAsTextPreview", translationFile),
+            Command = new RelayCommand(() => PluginHelper.InvokePluginPreview("QuickLook.Plugin.TextViewer", _currentPath)),
+        };
+    }
+}